/*
  Portfolio – modern, reszponzív, akadálymentes.
  Tipp: állítsd át a színeket a :root változókban.
*/

:root {
  --bg: #0a0a0f;
  --bg2: #0f1020;
  --text: #eef0ff;
  --muted: rgba(238, 240, 255, 0.72);
  --line: rgba(238, 240, 255, 0.12);
  --card: rgba(255, 255, 255, 0.06);
  --shadow: rgba(120, 120, 255, 0.25);
  --grad1: #5cfaff;
  --grad2: #8d91ff;
  --grad3: #c67dff;
  --radius: 18px;
  --radius2: 24px;
  --container: 1120px;
  --headerH: 68px;
}

:root[data-theme='light'] {
  --bg: #f7f7ff;
  --bg2: #ffffff;
  --text: #141526;
  --muted: rgba(20, 21, 38, 0.72);
  --line: rgba(20, 21, 38, 0.14);
  --card: rgba(20, 21, 38, 0.04);
  --shadow: rgba(120, 120, 255, 0.18);
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 700px at 15% -10%, rgba(92, 250, 255, 0.20), transparent 60%),
    radial-gradient(1200px 700px at 95% 0%, rgba(198, 125, 255, 0.18), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  color: var(--text);
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; }

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute;
  left: 10px;
  top: 10px;
  padding: 10px 12px;
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 12px;
  transform: translateY(-140%);
  transition: transform 0.2s ease;
  z-index: 9999;
}

.skip:focus { transform: translateY(0); }

:focus-visible {
  outline: 2px solid rgba(92, 250, 255, 0.9);
  outline-offset: 3px;
  border-radius: 10px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(10, 10, 15, 0.55);
  border-bottom: 1px solid var(--line);
}

:root[data-theme='light'] .site-header {
  background: rgba(255, 255, 255, 0.72);
}

.header-inner {
  height: var(--headerH);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  text-decoration: none;
}

.brand:hover { text-decoration: none; }

.brand-mark {
  border-radius: 10px;
  box-shadow: 0 0 0 1px var(--line), 0 10px 30px var(--shadow);
}

.brand-name {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.nav {
  display: none;
  align-items: center;
  gap: 12px;
}

.nav-link {
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  text-decoration: none;
}

.nav-link:hover {
  text-decoration: none;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

:root[data-theme='light'] .nav-link:hover {
  background: rgba(20, 21, 38, 0.06);
}

.nav-link.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 1px var(--line);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  cursor: pointer;
}

:root[data-theme='light'] .icon-btn {
  background: rgba(20, 21, 38, 0.04);
}

.icon-btn:hover {
  box-shadow: 0 0 0 1px rgba(92, 250, 255, 0.25), 0 16px 40px rgba(0, 0, 0, 0.18);
}

.icon { font-size: 18px; }

.mobile-nav {
  border-top: 1px solid var(--line);
  background: rgba(10, 10, 15, 0.6);
}

:root[data-theme='light'] .mobile-nav { background: rgba(255, 255, 255, 0.85); }

.mobile-nav-inner {
  padding: 12px 0 14px;
  display: grid;
  gap: 8px;
}

/* Hero */
.hero {
  padding: 48px 0 24px;
}

.hero-inner {
  display: grid;
  gap: 22px;
}

.kicker {
  margin: 0 0 10px;
  color: var(--muted);
  letter-spacing: 0.3px;
}

.headline {
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  line-height: 1.08;
}

.gradient {
  background: linear-gradient(90deg, var(--grad1), var(--grad2), var(--grad3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 600;
}

.btn:hover { text-decoration: none; }

.btn-primary {
  border: 0;
  background: linear-gradient(90deg, rgba(92, 250, 255, 0.95), rgba(141, 145, 255, 0.95), rgba(198, 125, 255, 0.95));
  color: #0a0a0f;
  box-shadow: 0 14px 40px var(--shadow);
}

.btn-primary:hover { filter: brightness(1.02); }

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
}

:root[data-theme='light'] .btn-secondary {
  background: rgba(20, 21, 38, 0.06);
}

.btn-ghost {
  background: transparent;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
}

:root[data-theme='light'] .btn-ghost:hover { background: rgba(20, 21, 38, 0.05); }

.chips {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.92rem;
}

:root[data-theme='light'] .chip { background: rgba(20, 21, 38, 0.04); }

.hero-card {
  border-radius: var(--radius2);
  background: var(--card);
  border: 1px solid var(--line);
  padding: 18px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
}

.stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
}

:root[data-theme='light'] .stat { background: rgba(20, 21, 38, 0.04); }

.stat + .stat { margin-top: 10px; }

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
}

.stat-label {
  color: var(--muted);
}

/* Sections */
.section {
  padding: 40px 0;
}

.section-alt {
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.03));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

:root[data-theme='light'] .section-alt {
  background: linear-gradient(180deg, transparent, rgba(20, 21, 38, 0.03));
}

.section-head {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.section-actions {
  margin-top: 18px;
  display: flex;
  justify-content: center;
}

h2 {
  margin: 0;
  font-size: 1.9rem;
  letter-spacing: 0.2px;
}

h3 { margin: 0; }

.muted { color: var(--muted); }
.small { font-size: 0.92rem; }

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 18px;
}

.card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 0 1px rgba(92, 250, 255, 0.18), 0 24px 70px rgba(0, 0, 0, 0.22);
}

.card-img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.card-body {
  padding: 14px 14px 16px;
}

.card-title {
  font-size: 1.1rem;
  margin: 0;
}

.card-text {
  margin: 8px 0 0;
  color: var(--muted);
}

.card-meta {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pill {
  font-size: 0.85rem;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}

/* Split / Panel */
.split {
  display: grid;
  gap: 18px;
}

.checklist {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.panel {
  border-radius: var(--radius2);
  border: 1px solid var(--line);
  background: var(--card);
  padding: 18px;
}

.stack { display: grid; gap: 8px; margin-top: 10px; }
.inline { display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.95rem;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  color: var(--text);
}

.link-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  text-decoration: none;
}

:root[data-theme='light'] .link-row { background: rgba(20, 21, 38, 0.04); }

.link-row:hover {
  text-decoration: none;
  box-shadow: 0 0 0 1px rgba(198, 125, 255, 0.20);
}

/* Forms */
.form {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.field {
  display: grid;
  gap: 6px;
}

label { font-weight: 600; }

input, textarea {
  font: inherit;
  color: var(--text);
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
}

:root[data-theme='light'] input,
:root[data-theme='light'] textarea {
  background: rgba(20, 21, 38, 0.03);
}

textarea { min-height: 140px; resize: vertical; }

.form-row {
  display: grid;
  gap: 12px;
}

.helper {
  color: var(--muted);
  font-size: 0.92rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 26px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
  justify-content: space-between;
}

.footer-links {
  display: inline-flex;
  gap: 10px;
  align-items: center;
}

/* Responsive */
@media (min-width: 820px) {
  .nav { display: flex; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none !important; }

  .hero {
    padding: 68px 0 34px;
  }

  .hero-inner {
    grid-template-columns: 1.4fr 0.9fr;
    align-items: start;
  }

  .cards-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .split {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
  }

  .form-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-inner {
    flex-direction: row;
    align-items: center;
  }
}